ascii! macro

Cargo.lock

@@ -76,6 +76,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
+[[package]]
+name = "ascii"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbf56136a5198c7b01a49e3afcbef6cf84597273d298f54432926024107b0109"
+
 [[package]]
 name = "ascii-canvas"
 version = "3.0.0"
@@ -1894,6 +1900,7 @@ version = "0.1.2"
 dependencies = [
  "adler32",
  "ahash",
+ "ascii",
  "atty",
  "base64",
  "bitflags",

benches/microbenchmarks.rs

@@ -133,7 +133,7 @@ fn bench_rustpy_code(group: &mut BenchmarkGroup<WallTime>, bench: &MicroBenchmar
                 scope
                     .locals
                     .set_item(
-                        vm.ctx.new_ascii_literal(b"ITERATIONS"),
+                        vm.ctx.new_ascii_literal(crate::utils::ascii!("ITERATIONS")),
                         vm.ctx.new_int(idx),
                         vm,
                     )

vm/Cargo.toml

@@ -113,6 +113,7 @@ flame = { version = "0.2", optional = true }
 flamer = { version = "0.4", optional = true }
 
 rustpython-common = { path = "../common" }
+ascii = "1.0.0"
 
 [target.'cfg(unix)'.dependencies]
 exitcode = "1.1.2"

vm/src/builtins/dict.rs

@@ -364,7 +364,9 @@ impl PyDict {
         if let Some((key, value)) = self.entries.pop_back() {
             Ok(vm.ctx.new_tuple(vec![key, value]))
         } else {
-            let err_msg = vm.ctx.new_ascii_literal(b"popitem(): dictionary is empty");
+            let err_msg = vm
+                .ctx
+                .new_ascii_literal(crate::utils::ascii!("popitem(): dictionary is empty"));
             Err(vm.new_key_error(err_msg))
         }
     }

vm/src/builtins/pystr.rs

@@ -212,7 +212,11 @@ impl PyStrIterator {
     fn reduce(&self, vm: &VirtualMachine) -> PyResult {
         let iter = vm.get_attribute(vm.builtins.clone(), "iter")?;
         Ok(vm.ctx.new_tuple(match self.status.load() {
-            Exhausted => vec![iter, vm.ctx.new_tuple(vec![vm.ctx.new_ascii_literal(b"")])],
+            Exhausted => vec![
+                iter,
+                vm.ctx
+                    .new_tuple(vec![vm.ctx.new_ascii_literal(crate::utils::ascii!(""))]),
+            ],
             Active => vec![
                 iter,
                 vm.ctx.new_tuple(vec![self.string.clone().into_object()]),
@@ -976,7 +980,7 @@ impl PyStr {
             if has_mid {
                 sep.into_object()
             } else {
-                vm.ctx.new_ascii_literal(b"")
+                vm.ctx.new_ascii_literal(crate::utils::ascii!(""))
             },
             self.new_substr(back),
         )
@@ -995,7 +999,7 @@ impl PyStr {
             if has_mid {
                 sep.into_object()
             } else {
-                vm.ctx.new_ascii_literal(b"")
+                vm.ctx.new_ascii_literal(crate::utils::ascii!(""))
             },
             self.new_substr(back),
         )
@@ -1541,7 +1545,11 @@ mod tests {
             table.set_item("a", vm.ctx.new_utf8_str("🎅"), &vm).unwrap();
             table.set_item("b", vm.ctx.none(), &vm).unwrap();
             table
-                .set_item("c", vm.ctx.new_ascii_literal(b"xda"), &vm)
+                .set_item(
+                    "c",
+                    vm.ctx.new_ascii_literal(crate::utils::ascii!("xda")),
+                    &vm,
+                )
                 .unwrap();
             let translated = PyStr::maketrans(
                 table.into_object(),

vm/src/builtins/pytype.rs

@@ -344,7 +344,7 @@ impl PyType {
                     Some(found)
                 }
             })
-            .unwrap_or_else(|| vm.ctx.new_ascii_literal(b"builtins"))
+            .unwrap_or_else(|| vm.ctx.new_ascii_literal(crate::utils::ascii!("builtins")))
     }
 
     #[pyproperty(magic, setter)]

vm/src/builtins/set.rs

@@ -232,7 +232,9 @@ impl PySetInner {
         if let Some((key, _)) = self.content.pop_back() {
             Ok(key)
         } else {
-            let err_msg = vm.ctx.new_ascii_literal(b"pop from an empty set");
+            let err_msg = vm
+                .ctx
+                .new_ascii_literal(crate::utils::ascii!("pop from an empty set"));
             Err(vm.new_key_error(err_msg))
         }
     }

vm/src/codecs.rs

@@ -367,7 +367,10 @@ fn strict_errors(err: PyObjectRef, vm: &VirtualMachine) -> PyResult {
 fn ignore_errors(err: PyObjectRef, vm: &VirtualMachine) -> PyResult<(PyObjectRef, usize)> {
     if is_encode_ish_err(&err, vm) || is_decode_err(&err, vm) {
         let range = extract_unicode_error_range(&err, vm)?;
-        Ok((vm.ctx.new_ascii_literal(b""), range.end))
+        Ok((
+            vm.ctx.new_ascii_literal(crate::utils::ascii!("")),
+            range.end,
+        ))
     } else {
         Err(bad_err_type(err, vm))
     }

vm/src/dictdatatype.rs

@@ -775,12 +775,12 @@ mod tests {
             assert_eq!(0, dict.len());
 
             let key1 = vm.ctx.new_bool(true);
-            let value1 = vm.ctx.new_ascii_literal(b"abc");
+            let value1 = vm.ctx.new_ascii_literal(crate::utils::ascii!("abc"));
             dict.insert(&vm, key1.clone(), value1.clone()).unwrap();
             assert_eq!(1, dict.len());
 
-            let key2 = vm.ctx.new_ascii_literal(b"x");
-            let value2 = vm.ctx.new_ascii_literal(b"def");
+            let key2 = vm.ctx.new_ascii_literal(crate::utils::ascii!("x"));
+            let value2 = vm.ctx.new_ascii_literal(crate::utils::ascii!("def"));
             dict.insert(&vm, key2.clone(), value2.clone()).unwrap();
             assert_eq!(2, dict.len());
 

vm/src/py_io.rs

@@ -65,7 +65,9 @@ pub fn file_readline(obj: &PyObjectRef, size: Option<usize>, vm: &VirtualMachine
     let eof_err = || {
         vm.new_exception(
             vm.ctx.exceptions.eof_error.clone(),
-            vec![vm.ctx.new_ascii_literal(b"EOF when reading a line")],
+            vec![vm
+                .ctx
+                .new_ascii_literal(crate::utils::ascii!("EOF when reading a line"))],
         )
     };
     let ret = match_class!(match ret {

vm/src/pyobject.rs

@@ -211,11 +211,10 @@ impl PyContext {
     }
 
     #[inline]
-    pub fn new_ascii_literal(&self, s: &'static [u8]) -> PyObjectRef {
+    pub fn new_ascii_literal(&self, s: &ascii::AsciiStr) -> PyObjectRef {
         PyObject::new(
             unsafe {
-                assert!(s.is_ascii()); // SAFETY
-                pystr::PyStr::new_str_unchecked(s.to_owned(), pystr::PyStrKind::Ascii)
+                pystr::PyStr::new_str_unchecked(s.as_bytes().to_owned(), pystr::PyStrKind::Ascii)
             },
             self.types.str_type.clone(),
             None,

vm/src/stdlib/ast/gen.rs

@@ -8,7 +8,7 @@ struct NodeModule;
 impl NodeModule {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"type_ignores")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("type_ignores"))]));
         class.set_str_attr("_attributes", ctx.new_list(vec![]));
     }
 }
@@ -18,7 +18,7 @@ struct NodeInteractive;
 impl NodeInteractive {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"body")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("body"))]));
         class.set_str_attr("_attributes", ctx.new_list(vec![]));
     }
 }
@@ -28,7 +28,7 @@ struct NodeExpression;
 impl NodeExpression {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"body")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("body"))]));
         class.set_str_attr("_attributes", ctx.new_list(vec![]));
     }
 }
@@ -38,7 +38,7 @@ struct NodeFunctionType;
 impl NodeFunctionType {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"argtypes"),ctx.new_ascii_literal(b"returns")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("argtypes")),ctx.new_ascii_literal(crate::utils::ascii!("returns"))]));
         class.set_str_attr("_attributes", ctx.new_list(vec![]));
     }
 }
@@ -48,8 +48,8 @@ struct NodeFunctionDef;
 impl NodeFunctionDef {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"name"),ctx.new_ascii_literal(b"args"),ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"decorator_list"),ctx.new_ascii_literal(b"returns"),ctx.new_ascii_literal(b"type_comment")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("name")),ctx.new_ascii_literal(crate::utils::ascii!("args")),ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("decorator_list")),ctx.new_ascii_literal(crate::utils::ascii!("returns")),ctx.new_ascii_literal(crate::utils::ascii!("type_comment"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "AsyncFunctionDef", base = "AstNode")]
@@ -58,8 +58,8 @@ struct NodeAsyncFunctionDef;
 impl NodeAsyncFunctionDef {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"name"),ctx.new_ascii_literal(b"args"),ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"decorator_list"),ctx.new_ascii_literal(b"returns"),ctx.new_ascii_literal(b"type_comment")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("name")),ctx.new_ascii_literal(crate::utils::ascii!("args")),ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("decorator_list")),ctx.new_ascii_literal(crate::utils::ascii!("returns")),ctx.new_ascii_literal(crate::utils::ascii!("type_comment"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "ClassDef", base = "AstNode")]
@@ -68,8 +68,8 @@ struct NodeClassDef;
 impl NodeClassDef {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"name"),ctx.new_ascii_literal(b"bases"),ctx.new_ascii_literal(b"keywords"),ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"decorator_list")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("name")),ctx.new_ascii_literal(crate::utils::ascii!("bases")),ctx.new_ascii_literal(crate::utils::ascii!("keywords")),ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("decorator_list"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Return", base = "AstNode")]
@@ -78,8 +78,8 @@ struct NodeReturn;
 impl NodeReturn {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"value")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("value"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Delete", base = "AstNode")]
@@ -88,8 +88,8 @@ struct NodeDelete;
 impl NodeDelete {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"targets")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("targets"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Assign", base = "AstNode")]
@@ -98,8 +98,8 @@ struct NodeAssign;
 impl NodeAssign {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"targets"),ctx.new_ascii_literal(b"value"),ctx.new_ascii_literal(b"type_comment")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("targets")),ctx.new_ascii_literal(crate::utils::ascii!("value")),ctx.new_ascii_literal(crate::utils::ascii!("type_comment"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "AugAssign", base = "AstNode")]
@@ -108,8 +108,8 @@ struct NodeAugAssign;
 impl NodeAugAssign {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"target"),ctx.new_ascii_literal(b"op"),ctx.new_ascii_literal(b"value")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("target")),ctx.new_ascii_literal(crate::utils::ascii!("op")),ctx.new_ascii_literal(crate::utils::ascii!("value"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "AnnAssign", base = "AstNode")]
@@ -118,8 +118,8 @@ struct NodeAnnAssign;
 impl NodeAnnAssign {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"target"),ctx.new_ascii_literal(b"annotation"),ctx.new_ascii_literal(b"value"),ctx.new_ascii_literal(b"simple")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("target")),ctx.new_ascii_literal(crate::utils::ascii!("annotation")),ctx.new_ascii_literal(crate::utils::ascii!("value")),ctx.new_ascii_literal(crate::utils::ascii!("simple"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "For", base = "AstNode")]
@@ -128,8 +128,8 @@ struct NodeFor;
 impl NodeFor {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"target"),ctx.new_ascii_literal(b"iter"),ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"orelse"),ctx.new_ascii_literal(b"type_comment")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("target")),ctx.new_ascii_literal(crate::utils::ascii!("iter")),ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("orelse")),ctx.new_ascii_literal(crate::utils::ascii!("type_comment"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "AsyncFor", base = "AstNode")]
@@ -138,8 +138,8 @@ struct NodeAsyncFor;
 impl NodeAsyncFor {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"target"),ctx.new_ascii_literal(b"iter"),ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"orelse"),ctx.new_ascii_literal(b"type_comment")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("target")),ctx.new_ascii_literal(crate::utils::ascii!("iter")),ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("orelse")),ctx.new_ascii_literal(crate::utils::ascii!("type_comment"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "While", base = "AstNode")]
@@ -148,8 +148,8 @@ struct NodeWhile;
 impl NodeWhile {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"test"),ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"orelse")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("test")),ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("orelse"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "If", base = "AstNode")]
@@ -158,8 +158,8 @@ struct NodeIf;
 impl NodeIf {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"test"),ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"orelse")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("test")),ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("orelse"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "With", base = "AstNode")]
@@ -168,8 +168,8 @@ struct NodeWith;
 impl NodeWith {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"items"),ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"type_comment")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("items")),ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("type_comment"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "AsyncWith", base = "AstNode")]
@@ -178,8 +178,8 @@ struct NodeAsyncWith;
 impl NodeAsyncWith {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"items"),ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"type_comment")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("items")),ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("type_comment"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Raise", base = "AstNode")]
@@ -188,8 +188,8 @@ struct NodeRaise;
 impl NodeRaise {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"exc"),ctx.new_ascii_literal(b"cause")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("exc")),ctx.new_ascii_literal(crate::utils::ascii!("cause"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Try", base = "AstNode")]
@@ -198,8 +198,8 @@ struct NodeTry;
 impl NodeTry {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"handlers"),ctx.new_ascii_literal(b"orelse"),ctx.new_ascii_literal(b"finalbody")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("handlers")),ctx.new_ascii_literal(crate::utils::ascii!("orelse")),ctx.new_ascii_literal(crate::utils::ascii!("finalbody"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Assert", base = "AstNode")]
@@ -208,8 +208,8 @@ struct NodeAssert;
 impl NodeAssert {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"test"),ctx.new_ascii_literal(b"msg")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("test")),ctx.new_ascii_literal(crate::utils::ascii!("msg"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Import", base = "AstNode")]
@@ -218,8 +218,8 @@ struct NodeImport;
 impl NodeImport {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"names")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("names"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "ImportFrom", base = "AstNode")]
@@ -228,8 +228,8 @@ struct NodeImportFrom;
 impl NodeImportFrom {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"module"),ctx.new_ascii_literal(b"names"),ctx.new_ascii_literal(b"level")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("module")),ctx.new_ascii_literal(crate::utils::ascii!("names")),ctx.new_ascii_literal(crate::utils::ascii!("level"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Global", base = "AstNode")]
@@ -238,8 +238,8 @@ struct NodeGlobal;
 impl NodeGlobal {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"names")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("names"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Nonlocal", base = "AstNode")]
@@ -248,8 +248,8 @@ struct NodeNonlocal;
 impl NodeNonlocal {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"names")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("names"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Expr", base = "AstNode")]
@@ -258,8 +258,8 @@ struct NodeExpr;
 impl NodeExpr {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"value")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("value"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Pass", base = "AstNode")]
@@ -269,7 +269,7 @@ impl NodePass {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
         class.set_str_attr("_fields", ctx.new_list(vec![]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Break", base = "AstNode")]
@@ -279,7 +279,7 @@ impl NodeBreak {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
         class.set_str_attr("_fields", ctx.new_list(vec![]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Continue", base = "AstNode")]
@@ -289,7 +289,7 @@ impl NodeContinue {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
         class.set_str_attr("_fields", ctx.new_list(vec![]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "BoolOp", base = "AstNode")]
@@ -298,8 +298,8 @@ struct NodeBoolOp;
 impl NodeBoolOp {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"op"),ctx.new_ascii_literal(b"values")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("op")),ctx.new_ascii_literal(crate::utils::ascii!("values"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "NamedExpr", base = "AstNode")]
@@ -308,8 +308,8 @@ struct NodeNamedExpr;
 impl NodeNamedExpr {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"target"),ctx.new_ascii_literal(b"value")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("target")),ctx.new_ascii_literal(crate::utils::ascii!("value"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "BinOp", base = "AstNode")]
@@ -318,8 +318,8 @@ struct NodeBinOp;
 impl NodeBinOp {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"left"),ctx.new_ascii_literal(b"op"),ctx.new_ascii_literal(b"right")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("left")),ctx.new_ascii_literal(crate::utils::ascii!("op")),ctx.new_ascii_literal(crate::utils::ascii!("right"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "UnaryOp", base = "AstNode")]
@@ -328,8 +328,8 @@ struct NodeUnaryOp;
 impl NodeUnaryOp {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"op"),ctx.new_ascii_literal(b"operand")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("op")),ctx.new_ascii_literal(crate::utils::ascii!("operand"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Lambda", base = "AstNode")]
@@ -338,8 +338,8 @@ struct NodeLambda;
 impl NodeLambda {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"args"),ctx.new_ascii_literal(b"body")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("args")),ctx.new_ascii_literal(crate::utils::ascii!("body"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "IfExp", base = "AstNode")]
@@ -348,8 +348,8 @@ struct NodeIfExp;
 impl NodeIfExp {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"test"),ctx.new_ascii_literal(b"body"),ctx.new_ascii_literal(b"orelse")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("test")),ctx.new_ascii_literal(crate::utils::ascii!("body")),ctx.new_ascii_literal(crate::utils::ascii!("orelse"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Dict", base = "AstNode")]
@@ -358,8 +358,8 @@ struct NodeDict;
 impl NodeDict {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"keys"),ctx.new_ascii_literal(b"values")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("keys")),ctx.new_ascii_literal(crate::utils::ascii!("values"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Set", base = "AstNode")]
@@ -368,8 +368,8 @@ struct NodeSet;
 impl NodeSet {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"elts")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("elts"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "ListComp", base = "AstNode")]
@@ -378,8 +378,8 @@ struct NodeListComp;
 impl NodeListComp {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"elt"),ctx.new_ascii_literal(b"generators")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("elt")),ctx.new_ascii_literal(crate::utils::ascii!("generators"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "SetComp", base = "AstNode")]
@@ -388,8 +388,8 @@ struct NodeSetComp;
 impl NodeSetComp {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"elt"),ctx.new_ascii_literal(b"generators")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("elt")),ctx.new_ascii_literal(crate::utils::ascii!("generators"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "DictComp", base = "AstNode")]
@@ -398,8 +398,8 @@ struct NodeDictComp;
 impl NodeDictComp {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"key"),ctx.new_ascii_literal(b"value"),ctx.new_ascii_literal(b"generators")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("key")),ctx.new_ascii_literal(crate::utils::ascii!("value")),ctx.new_ascii_literal(crate::utils::ascii!("generators"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "GeneratorExp", base = "AstNode")]
@@ -408,8 +408,8 @@ struct NodeGeneratorExp;
 impl NodeGeneratorExp {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"elt"),ctx.new_ascii_literal(b"generators")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("elt")),ctx.new_ascii_literal(crate::utils::ascii!("generators"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Await", base = "AstNode")]
@@ -418,8 +418,8 @@ struct NodeAwait;
 impl NodeAwait {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"value")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("value"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Yield", base = "AstNode")]
@@ -428,8 +428,8 @@ struct NodeYield;
 impl NodeYield {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"value")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("value"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "YieldFrom", base = "AstNode")]
@@ -438,8 +438,8 @@ struct NodeYieldFrom;
 impl NodeYieldFrom {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"value")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("value"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Compare", base = "AstNode")]
@@ -448,8 +448,8 @@ struct NodeCompare;
 impl NodeCompare {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"left"),ctx.new_ascii_literal(b"ops"),ctx.new_ascii_literal(b"comparators")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("left")),ctx.new_ascii_literal(crate::utils::ascii!("ops")),ctx.new_ascii_literal(crate::utils::ascii!("comparators"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Call", base = "AstNode")]
@@ -458,8 +458,8 @@ struct NodeCall;
 impl NodeCall {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"func"),ctx.new_ascii_literal(b"args"),ctx.new_ascii_literal(b"keywords")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("func")),ctx.new_ascii_literal(crate::utils::ascii!("args")),ctx.new_ascii_literal(crate::utils::ascii!("keywords"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "FormattedValue", base = "AstNode")]
@@ -468,8 +468,8 @@ struct NodeFormattedValue;
 impl NodeFormattedValue {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"value"),ctx.new_ascii_literal(b"conversion"),ctx.new_ascii_literal(b"format_spec")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("value")),ctx.new_ascii_literal(crate::utils::ascii!("conversion")),ctx.new_ascii_literal(crate::utils::ascii!("format_spec"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "JoinedStr", base = "AstNode")]
@@ -478,8 +478,8 @@ struct NodeJoinedStr;
 impl NodeJoinedStr {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"values")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("values"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Constant", base = "AstNode")]
@@ -488,8 +488,8 @@ struct NodeConstant;
 impl NodeConstant {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"value"),ctx.new_ascii_literal(b"kind")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("value")),ctx.new_ascii_literal(crate::utils::ascii!("kind"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Attribute", base = "AstNode")]
@@ -498,8 +498,8 @@ struct NodeAttribute;
 impl NodeAttribute {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"value"),ctx.new_ascii_literal(b"attr"),ctx.new_ascii_literal(b"ctx")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("value")),ctx.new_ascii_literal(crate::utils::ascii!("attr")),ctx.new_ascii_literal(crate::utils::ascii!("ctx"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Subscript", base = "AstNode")]
@@ -508,8 +508,8 @@ struct NodeSubscript;
 impl NodeSubscript {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"value"),ctx.new_ascii_literal(b"slice"),ctx.new_ascii_literal(b"ctx")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("value")),ctx.new_ascii_literal(crate::utils::ascii!("slice")),ctx.new_ascii_literal(crate::utils::ascii!("ctx"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Starred", base = "AstNode")]
@@ -518,8 +518,8 @@ struct NodeStarred;
 impl NodeStarred {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"value"),ctx.new_ascii_literal(b"ctx")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("value")),ctx.new_ascii_literal(crate::utils::ascii!("ctx"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Name", base = "AstNode")]
@@ -528,8 +528,8 @@ struct NodeName;
 impl NodeName {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"id"),ctx.new_ascii_literal(b"ctx")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("id")),ctx.new_ascii_literal(crate::utils::ascii!("ctx"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "List", base = "AstNode")]
@@ -538,8 +538,8 @@ struct NodeList;
 impl NodeList {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"elts"),ctx.new_ascii_literal(b"ctx")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("elts")),ctx.new_ascii_literal(crate::utils::ascii!("ctx"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Tuple", base = "AstNode")]
@@ -548,8 +548,8 @@ struct NodeTuple;
 impl NodeTuple {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"elts"),ctx.new_ascii_literal(b"ctx")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("elts")),ctx.new_ascii_literal(crate::utils::ascii!("ctx"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Slice", base = "AstNode")]
@@ -558,8 +558,8 @@ struct NodeSlice;
 impl NodeSlice {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"lower"),ctx.new_ascii_literal(b"upper"),ctx.new_ascii_literal(b"step")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lower")),ctx.new_ascii_literal(crate::utils::ascii!("upper")),ctx.new_ascii_literal(crate::utils::ascii!("step"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "Load", base = "AstNode")]
@@ -888,7 +888,7 @@ struct Nodecomprehension;
 impl Nodecomprehension {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"target"),ctx.new_ascii_literal(b"iter"),ctx.new_ascii_literal(b"ifs"),ctx.new_ascii_literal(b"is_async")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("target")),ctx.new_ascii_literal(crate::utils::ascii!("iter")),ctx.new_ascii_literal(crate::utils::ascii!("ifs")),ctx.new_ascii_literal(crate::utils::ascii!("is_async"))]));
         class.set_str_attr("_attributes", ctx.new_list(vec![]));
     }
 }
@@ -898,8 +898,8 @@ struct NodeExceptHandler;
 impl NodeExceptHandler {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"type"),ctx.new_ascii_literal(b"name"),ctx.new_ascii_literal(b"body")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("type")),ctx.new_ascii_literal(crate::utils::ascii!("name")),ctx.new_ascii_literal(crate::utils::ascii!("body"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "arguments", base = "AstNode")]
@@ -908,7 +908,7 @@ struct Nodearguments;
 impl Nodearguments {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"posonlyargs"),ctx.new_ascii_literal(b"args"),ctx.new_ascii_literal(b"vararg"),ctx.new_ascii_literal(b"kwonlyargs"),ctx.new_ascii_literal(b"kw_defaults"),ctx.new_ascii_literal(b"kwarg"),ctx.new_ascii_literal(b"defaults")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("posonlyargs")),ctx.new_ascii_literal(crate::utils::ascii!("args")),ctx.new_ascii_literal(crate::utils::ascii!("vararg")),ctx.new_ascii_literal(crate::utils::ascii!("kwonlyargs")),ctx.new_ascii_literal(crate::utils::ascii!("kw_defaults")),ctx.new_ascii_literal(crate::utils::ascii!("kwarg")),ctx.new_ascii_literal(crate::utils::ascii!("defaults"))]));
         class.set_str_attr("_attributes", ctx.new_list(vec![]));
     }
 }
@@ -918,8 +918,8 @@ struct Nodearg;
 impl Nodearg {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"arg"),ctx.new_ascii_literal(b"annotation"),ctx.new_ascii_literal(b"type_comment")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("arg")),ctx.new_ascii_literal(crate::utils::ascii!("annotation")),ctx.new_ascii_literal(crate::utils::ascii!("type_comment"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "keyword", base = "AstNode")]
@@ -928,8 +928,8 @@ struct Nodekeyword;
 impl Nodekeyword {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"arg"),ctx.new_ascii_literal(b"value")]));
-        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"col_offset"),ctx.new_ascii_literal(b"end_lineno"),ctx.new_ascii_literal(b"end_col_offset")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("arg")),ctx.new_ascii_literal(crate::utils::ascii!("value"))]));
+        class.set_str_attr("_attributes", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("col_offset")),ctx.new_ascii_literal(crate::utils::ascii!("end_lineno")),ctx.new_ascii_literal(crate::utils::ascii!("end_col_offset"))]));
     }
 }
 #[pyclass(module = "_ast", name = "alias", base = "AstNode")]
@@ -938,7 +938,7 @@ struct Nodealias;
 impl Nodealias {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"name"),ctx.new_ascii_literal(b"asname")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("name")),ctx.new_ascii_literal(crate::utils::ascii!("asname"))]));
         class.set_str_attr("_attributes", ctx.new_list(vec![]));
     }
 }
@@ -948,7 +948,7 @@ struct Nodewithitem;
 impl Nodewithitem {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"context_expr"),ctx.new_ascii_literal(b"optional_vars")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("context_expr")),ctx.new_ascii_literal(crate::utils::ascii!("optional_vars"))]));
         class.set_str_attr("_attributes", ctx.new_list(vec![]));
     }
 }
@@ -958,7 +958,7 @@ struct NodeTypeIgnore;
 impl NodeTypeIgnore {
     #[extend_class]
     fn extend_class_with_fields(ctx: &PyContext, class: &PyTypeRef) {
-        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(b"lineno"),ctx.new_ascii_literal(b"tag")]));
+        class.set_str_attr("_fields", ctx.new_list(vec![ctx.new_ascii_literal(crate::utils::ascii!("lineno")),ctx.new_ascii_literal(crate::utils::ascii!("tag"))]));
         class.set_str_attr("_attributes", ctx.new_list(vec![]));
     }
 }

vm/src/stdlib/sre.rs

@@ -274,8 +274,13 @@ mod _sre {
                             m.get_slice(zelf.groups, state.string, vm)
                                 .unwrap_or_else(|| vm.ctx.none())
                         } else {
-                            m.groups(OptionalArg::Present(vm.ctx.new_ascii_literal(b"")), vm)?
-                                .into_object()
+                            m.groups(
+                                OptionalArg::Present(
+                                    vm.ctx.new_ascii_literal(crate::utils::ascii!("")),
+                                ),
+                                vm,
+                            )?
+                            .into_object()
                         };
 
                         matchlist.push(item);
@@ -510,7 +515,7 @@ mod _sre {
                 let join_type = if zelf.isbytes {
                     vm.ctx.new_bytes(vec![])
                 } else {
-                    vm.ctx.new_ascii_literal(b"")
+                    vm.ctx.new_ascii_literal(crate::utils::ascii!(""))
                 };
                 let ret = vm.call_method(&join_type, "join", (list,))?;
 

vm/src/stdlib/ssl.rs

@@ -76,8 +76,8 @@ enum ProtoVersion {
 }
 
 // taken from CPython, should probably be kept up to date with their version if it ever changes
-const DEFAULT_CIPHER_STRING: &[u8] =
-    b"DEFAULT:!aNULL:!eNULL:!MD5:!3DES:!DES:!RC4:!IDEA:!SEED:!aDSS:!SRP:!PSK";
+const DEFAULT_CIPHER_STRING: &str =
+    "DEFAULT:!aNULL:!eNULL:!MD5:!3DES:!DES:!RC4:!IDEA:!SEED:!aDSS:!SRP:!PSK";
 
 #[derive(num_enum::IntoPrimitive, num_enum::TryFromPrimitive)]
 #[repr(i32)]
@@ -154,8 +154,12 @@ fn _ssl_enum_certificates(store_name: PyStrRef, vm: &VirtualMachine) -> PyResult
             (*ptr).dwCertEncodingType
         };
         let enc_type = match enc_type {
-            wincrypt::X509_ASN_ENCODING => vm.ctx.new_ascii_literal(b"x509_asn"),
-            wincrypt::PKCS_7_ASN_ENCODING => vm.ctx.new_ascii_literal(b"pkcs_7_asn"),
+            wincrypt::X509_ASN_ENCODING => {
+                vm.ctx.new_ascii_literal(crate::utils::ascii!("x509_asn"))
+            }
+            wincrypt::PKCS_7_ASN_ENCODING => {
+                vm.ctx.new_ascii_literal(crate::utils::ascii!("pkcs_7_asn"))
+            }
             other => vm.ctx.new_int(other),
         };
         let usage = match c.valid_uses()? {
@@ -1058,17 +1062,17 @@ fn cert_to_py(vm: &VirtualMachine, cert: &X509Ref, binary: bool) -> PyResult {
                 .filter_map(|gen_name| {
                     if let Some(email) = gen_name.email() {
                         Some(vm.ctx.new_tuple(vec![
-                            vm.ctx.new_ascii_literal(b"email"),
+                            vm.ctx.new_ascii_literal(crate::utils::ascii!("email")),
                             vm.ctx.new_utf8_str(email),
                         ]))
                     } else if let Some(dnsname) = gen_name.dnsname() {
                         Some(vm.ctx.new_tuple(vec![
-                            vm.ctx.new_ascii_literal(b"DNS"),
+                            vm.ctx.new_ascii_literal(crate::utils::ascii!("DNS")),
                             vm.ctx.new_utf8_str(dnsname),
                         ]))
                     } else if let Some(ip) = gen_name.ipaddress() {
                         Some(vm.ctx.new_tuple(vec![
-                            vm.ctx.new_ascii_literal(b"IP Address"),
+                            vm.ctx.new_ascii_literal(crate::utils::ascii!("IP Address")),
                             vm.ctx.new_utf8_str(String::from_utf8_lossy(ip).into_owned()),
                         ]))
                     } else {
@@ -1159,7 +1163,7 @@ pub fn make_module(vm: &VirtualMachine) -> PyObjectRef {
         "OPENSSL_VERSION_NUMBER" => ctx.new_int(openssl::version::number()),
         "OPENSSL_VERSION_INFO" => parse_version_info(openssl::version::number()).into_pyobject(vm),
         "_OPENSSL_API_VERSION" => parse_version_info(openssl_api_version).into_pyobject(vm),
-        "_DEFAULT_CIPHERS" => ctx.new_ascii_literal(DEFAULT_CIPHER_STRING),
+        "_DEFAULT_CIPHERS" => ctx.new_utf8_str(DEFAULT_CIPHER_STRING),
         // "PROTOCOL_SSLv2" => ctx.new_int(SslVersion::Ssl2 as u32), unsupported
         // "PROTOCOL_SSLv3" => ctx.new_int(SslVersion::Ssl3 as u32),
         "PROTOCOL_SSLv23" => ctx.new_int(SslVersion::Tls as u32),

vm/src/stdlib/string.rs

@@ -77,7 +77,7 @@ mod _string {
         let field_name = FieldName::parse(text.as_str()).map_err(|e| e.into_pyexception(vm))?;
 
         let first = match field_name.field_type {
-            FieldType::Auto => vm.ctx.new_ascii_literal(b""),
+            FieldType::Auto => vm.ctx.new_ascii_literal(crate::utils::ascii!("")),
             FieldType::Index(index) => index.into_pyobject(vm),
             FieldType::Keyword(attribute) => attribute.into_pyobject(vm),
         };

vm/src/sysmodule.rs

@@ -44,7 +44,7 @@ fn executable(ctx: &PyContext) -> PyObjectRef {
     if let Some(exec_path) = env::args().next() {
         let path = path::Path::new(&exec_path);
         if !path.exists() {
-            return ctx.new_ascii_literal(b"");
+            return ctx.new_ascii_literal(crate::utils::ascii!(""));
         }
         if path.is_absolute() {
             return ctx.new_utf8_str(exec_path);
@@ -237,7 +237,7 @@ fn sys_exc_info(vm: &VirtualMachine) -> (PyObjectRef, PyObjectRef, PyObjectRef)
 
 fn sys_git_info(vm: &VirtualMachine) -> PyObjectRef {
     vm.ctx.new_tuple(vec![
-        vm.ctx.new_ascii_literal(b"RustPython"),
+        vm.ctx.new_ascii_literal(crate::utils::ascii!("RustPython")),
         vm.ctx.new_utf8_str(version::get_git_identifier()),
         vm.ctx.new_utf8_str(version::get_git_revision()),
     ])
@@ -513,8 +513,8 @@ pub(crate) fn make_module(vm: &VirtualMachine, module: PyObjectRef, builtins: Py
 
     // TODO Add crate version to this namespace
     let implementation = py_namespace!(vm, {
-        "name" => ctx.new_ascii_literal(b"rustpython"),
-        "cache_tag" => ctx.new_ascii_literal(b"rustpython-01"),
+        "name" => ctx.new_ascii_literal(crate::utils::ascii!("rustpython")),
+        "cache_tag" => ctx.new_ascii_literal(crate::utils::ascii!("rustpython-01")),
         "_multiarch" => ctx.new_utf8_str(MULTIARCH.to_owned()),
         "version" => version_info.clone(),
         "hexversion" => ctx.new_int(version::VERSION_HEX),
@@ -650,7 +650,7 @@ settrace() -- set the global debug tracing function
     let base_exec_prefix = option_env!("RUSTPYTHON_BASEEXECPREFIX").unwrap_or(exec_prefix);
 
     extend_module!(vm, module, {
-      "__name__" => ctx.new_ascii_literal(b"sys"),
+      "__name__" => ctx.new_ascii_literal(crate::utils::ascii!("sys")),
       "argv" => argv(vm),
       "builtin_module_names" => builtin_module_names,
       "byteorder" => ctx.new_utf8_str(bytorder),
@@ -672,8 +672,8 @@ settrace() -- set the global debug tracing function
       "maxunicode" => ctx.new_int(MAXUNICODE),
       "maxsize" => ctx.new_int(MAXSIZE),
       "path" => path,
-      "ps1" => ctx.new_ascii_literal(b">>>>> "),
-      "ps2" => ctx.new_ascii_literal(b"..... "),
+      "ps1" => ctx.new_ascii_literal(crate::utils::ascii!(">>>>> ")),
+      "ps2" => ctx.new_ascii_literal(crate::utils::ascii!("..... ")),
       "__doc__" => ctx.new_utf8_str(sys_doc),
       "_getframe" => named_function!(ctx, sys, _getframe),
       "modules" => modules.clone(),
@@ -706,7 +706,7 @@ settrace() -- set the global debug tracing function
       "api_version" => ctx.new_int(0x0), // what C api?
       "float_info" => float_info,
       "int_info" => int_info,
-      "float_repr_style" => ctx.new_ascii_literal(b"short"),
+      "float_repr_style" => ctx.new_ascii_literal(crate::utils::ascii!("short")),
       "_xoptions" => xopts,
       "warnoptions" => warnopts,
       "_rustpython_debugbuild" => ctx.new_bool(cfg!(debug_assertions)),

vm/src/utils.rs

@@ -126,3 +126,27 @@ impl ToCString for PyStr {
         std::ffi::CString::new(self.as_ref()).map_err(|err| err.into_pyexception(vm))
     }
 }
+
+#[allow(dead_code)]
+pub(crate) const fn bytes_is_ascii(x: &str) -> bool {
+    let x = x.as_bytes();
+    let mut i = 0;
+    while i < x.len() {
+        if !x[i].is_ascii() {
+            return false;
+        }
+        i += 1;
+    }
+    true
+}
+
+macro_rules! ascii {
+    ($x:literal) => {{
+        const _: () = {
+            ["not ascii"][!crate::utils::bytes_is_ascii($x) as usize];
+        };
+        unsafe { ascii::AsciiStr::from_ascii_unchecked($x.as_bytes()) }
+    }};
+}
+
+pub(crate) use ascii;

vm/src/vm.rs

@@ -308,13 +308,13 @@ impl VirtualMachine {
         module::init_module_dict(
             &vm,
             &builtins_dict,
-            vm.ctx.new_ascii_literal(b"builtins"),
+            vm.ctx.new_ascii_literal(crate::utils::ascii!("builtins")),
             vm.ctx.none(),
         );
         module::init_module_dict(
             &vm,
             &sysmod_dict,
-            vm.ctx.new_ascii_literal(b"sys"),
+            vm.ctx.new_ascii_literal(crate::utils::ascii!("sys")),
             vm.ctx.none(),
         );
         vm
@@ -2230,7 +2230,7 @@ mod tests {
     #[test]
     fn test_multiply_str() {
         Interpreter::default().enter(|vm| {
-            let a = vm.ctx.new_ascii_literal(b"Hello ");
+            let a = vm.ctx.new_ascii_literal(crate::utils::ascii!("Hello "));
             let b = vm.ctx.new_int(4_i32);
             let res = vm._mul(&a, &b).unwrap();
             let value = res.payload::<PyStr>().unwrap();